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A066062 as a simple table

na(n)
01
11
22
33
46
510
620
737
873
9139
10275
11533
121059
132075
144126
158134
1616194
1732058
1863910
19126932
20253252
21503933
221006056
232004838
244004124
257987149
2615957964
2731854676
2863660327
29127141415
30254136782
31507750109
321015059238
332028564292
344055812657
358107052520

[1,1,2,3,6,10,20,37,73,139,275,533,1059,2075,4126,
 8134,16194,32058,63910,126932,253252,503933,
 1006056,2004838,4004124,7987149,15957964,31854676,
 63660327,127141415,254136782,507750109,1015059238,
 2028564292,4055812657,8107052520]